NEW YORK, July 24, 2015 — Not bad for a week in midsummer: This week’s TV blog topics ran the gamut from “Sharknado” to Donald Trump. In between: A look at Jim Gaffigan’s new TV Land sitcom, an assessment of Caitlyn Jenner’s new transgender reality series on E!, and a much-deserved dismissal of MTV’s dreary (and lame-brained) “documentary” on race, “White People.” Read all five of my MediaPost TV blogs from the past week, with these links: